I Yabba-Dabba Do!

Frank Welker

Barney Rubble (voice)

Henry Corden

Fred Flintstone (voice)

B.J. Ward

Betty (voice)

Jean Vander Pyl

Wilma / Mrs. Slate (voice)

Megan Mullally

Pebbles (voice)

Jerry Houser

Bamm-Bamm (voice)

June Foray

Various voices (voice)

William Hanna

Bill (voice)

Joseph Barbera

Joe (voice)

John Stephenson

Mr. Slate (voice)

Roger Rose

Additional Voices (voice)

Don Messick

(voice)

Russi Taylor

(voice)